{
  "items": [
    {
      "id": "item-ID-1234",
      "title": "Mi producto",
      "currency_id": "BRL",
      "picture_url": "https://www.mercadopago.com/org-img/MP3/home/logomp3.gif",
      "description": "Descripción del Item",
      "category_id": "art",
      "quantity": 1,
      "unit_price": 75.76
    }
  ],
  "payer": {
    "name": "Juan",
    "surname": "Lopez",
    "email": "user@email.com",
    "phone": {
      "area_code": "11",
      "number": "4444-4444"
    },
    "identification": {
      "type": "DNI",
      "number": "12345678"
    },
    "address": {
      "street_name": "Street",
      "street_number": 123,
      "zip_code": "5700"
    }
  },
  "back_urls": {
    "success": "https://www.success.com",
    "failure": "http://www.failure.com",
    "pending": "http://www.pending.com"
  },
  "auto_return": "approved",
  "payment_methods": {
    "excluded_payment_methods": [
      {
        "id": "master"
      }
    ],
    "excluded_payment_types": [
      {
        "id": "ticket"
      }
    ],
    "installments": 12
  },
  "notification_url": "https://www.your-site.com/ipn",
  "statement_descriptor": "MYBUSINESS",
  "external_reference": "Reference_1234",
  "expires": true,
  "expiration_date_from": "2016-02-01T12:00:00.000-04:00",
  "expiration_date_to": "2016-02-28T12:00:00.000-04:00"
}